User guide
AirCard 781S Mobile Hotspot User Guide
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5. In the LAN section, select On beside VPN Passthrough, and click Submit. (Submit
button appears once you make a selection.)
Configure APN details
The APN is checked to determine the type of network connection to establish.
Your mobile hotspot comes preconfigured with the APN (Access Point Name) for AT&T.
To add an APN for another network:
1. On the AT&T Unite Pro Manager homepage, log in as Administrator.
2. Click Settings on the navigation menu on the left side.
3. Click the Mobile Broadband tab.
4. Click the APN tab.
5. In the blank line, enter the APN (obtained from your carrier).
6. Enter the Username and Password, if these are required for the wireless network.
7. Select the network Authentication mode. The options are:
· None (default)
· PAP
· CHAP
· PAP or CHAP
8. Click beside the new APN entry.
To select the APN to use:
1. Select Active beside the APN entry to be used.
To remove an APN entry:
1. Click beside the APN entry.
Enable DMZ
In a DMZ (demilitarized zone) network configuration, a computer runs outside the
firewall in the DMZ. This computer intercepts incoming Internet traffic, providing an
extra layer of protection for the rest of the network.
To enable DMZ and designate a computer to screen incoming traffic:
1. On the AT&T Unite Pro Manager homepage, log in as Administrator.
2. Click Settings on the navigation menu on the left side.
3. Click the Router tab.
4. Click the Basic tab.
5. Select On beside DMZ Enabled.
6. In the DMZ Address field, enter the IP address of the computer you want to have
in the DMZ.
7. Click Submit. (Submit button appears once you make a selection.)